A Jedi meditates to achieve self-discipline, the third pillar of the Jedi, without which one cannot achieve mastery of the Force. Secondly, it allows a Jedi to achieve inner peace, harmony and serenity. Meditation can also be used for healing, or repairing technology such as fighters/droids through moving meditation. Primarly, though, it was to connect to the Force and re-connect oneself with the guidelines of the Jedi Code.

It is your opinion. Whether or not I am swayed to agree is irrelevent so long as you present your own about it well. This task is highly subjective to our own points of view as we cannot ask Yoda for clarity on the situation